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[CHDFile] Add CHD parsing logic

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This commit is contained in:
Matt Nadareski
2017-10-31 01:06:56 -07:00
parent d03f7739e8
commit c9cad432ad
7 changed files with 425 additions and 37 deletions
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48
SabreTools.Library/Data/Constants.cs
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@@ -13,7 +13,7 @@ namespace SabreTools.Library.Data
/// <summary>
/// The current toolset version to be used by all child applications
/// </summary>
public static string Version = "v0.9.8.1-" + Assembly.GetExecutingAssembly().GetLinkerTime().ToString("yyyy-MM-dd HH:mm:ss");
public readonly static string Version = "v0.9.8.1-" + Assembly.GetExecutingAssembly().GetLinkerTime().ToString("yyyy-MM-dd HH:mm:ss");
public const int HeaderHeight = 3;
#region 0-byte file constants
@@ -31,26 +31,36 @@ namespace SabreTools.Library.Data
#region Byte (1000-based) size comparisons
public const long KiloByte = 1000;
public static long MegaByte = (long)Math.Pow(KiloByte, 2);
public static long GigaByte = (long)Math.Pow(KiloByte, 3);
public static long TeraByte = (long)Math.Pow(KiloByte, 4);
public static long PetaByte = (long)Math.Pow(KiloByte, 5);
public static long ExaByte = (long)Math.Pow(KiloByte, 6);
public static long ZettaByte = (long)Math.Pow(KiloByte, 7);
public static long YottaByte = (long)Math.Pow(KiloByte, 8);
public readonly static long MegaByte = (long)Math.Pow(KiloByte, 2);
public readonly static long GigaByte = (long)Math.Pow(KiloByte, 3);
public readonly static long TeraByte = (long)Math.Pow(KiloByte, 4);
public readonly static long PetaByte = (long)Math.Pow(KiloByte, 5);
public readonly static long ExaByte = (long)Math.Pow(KiloByte, 6);
public readonly static long ZettaByte = (long)Math.Pow(KiloByte, 7);
public readonly static long YottaByte = (long)Math.Pow(KiloByte, 8);
#endregion
#region Byte (1024-based) size comparisons
public const long KibiByte = 1024;
public static long MibiByte = (long)Math.Pow(KibiByte, 2);
public static long GibiByte = (long)Math.Pow(KibiByte, 3);
public static long TibiByte = (long)Math.Pow(KibiByte, 4);
public static long PibiByte = (long)Math.Pow(KibiByte, 5);
public static long ExiByte = (long)Math.Pow(KibiByte, 6);
public static long ZittiByte = (long)Math.Pow(KibiByte, 7);
public static long YittiByte = (long)Math.Pow(KibiByte, 8);
public readonly static long MibiByte = (long)Math.Pow(KibiByte, 2);
public readonly static long GibiByte = (long)Math.Pow(KibiByte, 3);
public readonly static long TibiByte = (long)Math.Pow(KibiByte, 4);
public readonly static long PibiByte = (long)Math.Pow(KibiByte, 5);
public readonly static long ExiByte = (long)Math.Pow(KibiByte, 6);
public readonly static long ZittiByte = (long)Math.Pow(KibiByte, 7);
public readonly static long YittiByte = (long)Math.Pow(KibiByte, 8);
#endregion
#region CHD header values
public readonly static byte[] CHDSignature = { 0x4d, 0x43, 0x6f, 0x6d, 0x70, 0x72, 0x48, 0x44 }; // "MComprHD"
public const int CHD_HEADER_VERSION = 5;
public const int CHD_V3_HEADER_SIZE = 120;
public const int CHD_V4_HEADER_SIZE = 108;
public const int CHD_V5_HEADER_SIZE = 124;
#endregion
@@ -109,7 +119,7 @@ namespace SabreTools.Library.Data
0A-0B Last mod file time (0x00, 0xBC)
0C-0D Last mod file date (0x98, 0x21)
*/
public static byte[] TorrentZipHeader = new byte[] { 0x50, 0x4b, 0x03, 0x04, 0x14, 0x00, 0x02, 0x00, 0x08, 0x00, 0x00, 0xbc, 0x98, 0x21 };
public readonly static byte[] TorrentZipHeader = new byte[] { 0x50, 0x4b, 0x03, 0x04, 0x14, 0x00, 0x02, 0x00, 0x08, 0x00, 0x00, 0xbc, 0x98, 0x21 };
/* Torrent7z Header Format
http://cpansearch.perl.org/src/BJOERN/Compress-Deflate7-1.0/7zip/DOC/7zFormat.txt
@@ -118,8 +128,8 @@ namespace SabreTools.Library.Data
06-07 ArchiveVersion (0x00, 0x03)
The rest is unknown
*/
public static byte[] Torrent7ZipHeader = new byte[] { 0x37, 0x7a, 0xbc, 0xaf, 0x27, 0x1c, 0x00, 0x03 };
public static byte[] Torrent7ZipSignature = new byte[] { 0xa9, 0xa9, 0x9f, 0xd1, 0x57, 0x08, 0xa9, 0xd7, 0xea, 0x29, 0x64, 0xb2,
public readonly static byte[] Torrent7ZipHeader = new byte[] { 0x37, 0x7a, 0xbc, 0xaf, 0x27, 0x1c, 0x00, 0x03 };
public readonly static byte[] Torrent7ZipSignature = new byte[] { 0xa9, 0xa9, 0x9f, 0xd1, 0x57, 0x08, 0xa9, 0xd7, 0xea, 0x29, 0x64, 0xb2,
0x36, 0x1b, 0x83, 0x52, 0x33, 0x00, 0x74, 0x6f, 0x72, 0x72, 0x65, 0x6e, 0x74, 0x37, 0x7a, 0x5f, 0x30, 0x2e, 0x39, 0x62, 0x65, 0x74, 0x61 };
/* (Torrent)GZ Header Format
@@ -138,7 +148,7 @@ namespace SabreTools.Library.Data
1C-1F CRC hash
20-27 Int64 size (mirrored)
*/
public static byte[] TorrentGZHeader = new byte[] { 0x1f, 0x8b, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00 };
public readonly static byte[] TorrentGZHeader = new byte[] { 0x1f, 0x8b, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00 };
#endregion